effect on performance. >> as we do in a cultural environment in which age is stereotyped, right? >> yes. >> then you will conform willy-nilly to that stereotype, if you're supposed to be fragile at the age 80. >> yes. >> then you become fragile. >> exactly. >> if you think, however, that your's going to be living to the age 100, then you shatter the stereotype and you don't conform to it, and you're healthier? >> you are. >> you actually affect your health? >> you affect your health by your attitude. donald palmer has the oldest thing in the world that we are as a result of what we think. >> this is all the brain? >> of course. >> all a result of cognition. >> cognition, that's right. cognition is just a $10 word for thinking and all the aspects of thinking. >> can i use $10 words on this? >> yes. >> now, you know that nih, national institutes for health or of health. >> national institutes of metal. >> they -- of health. >> they just had within summary past couple of weeks they had a big meeting and they talked about how your mental state actually affects your physical health, correct?